24 episodesFirst aired 5 June 2012
Five months following the discovery that Mona Vanderwaal was the elusive "A" that had been creatively and relentlessly tormenting the four main characters, Aria Montgomery, Spencer Hastings, Hanna Marin, and Emily Fields for the past year. The first half of the season addresses the issue of whether or not Garrett Reynolds actually killed or was involved in the murder of the girls' former friend and queen bee, Alison DiLaurentis and who killed Maya St. Germain in the season two finale, while the second half deals with the reveal of another "A" and the fallout while the mysterious Red Coat stalks the girls.
E1Jun 201244m
Approaching the second anniversary of Alison's disappearance, a shocking event rocks Rosewood.
E2Jun 201244m
One of Aria's past indiscretions is fodder for a new "A." and Emily recalls a crucial event from the night she lost her memory.
E3Jun 201244m
Spencer asks questions, but stumbles upon a larger secret, while Aria agrees to be Jenna's accompanist.
E4Jun 201244m
Visiting Mona is driving a wedge between Hanna and Caleb and Hanna is forced to weigh up how honest to be with him.
E5Jul 201244m
Jenna throws a party to die for and the Liars are suspicious when Garrett is let out of prison to visit his mother.
E6Jul 201244m
A new clue could lead the girls down the wrong path. Emily remembers something new from the other night but the recollection suggests a very surprising suspect.
E7Jul 201244m
Hanna is worried that Detective Bryce is trying to frame her and the others turn to a very unlikely person for help.
E8Jul 201244m
Spencer asks Caleb for help. Aria learns about Ezra's past. Emily is worried about how Paige will be affected by everything "A" has done to her.
E9Aug 201244m
After Spencer turns in desperation to Cece for help with her college application, she and Aria may find some answers at the Kahn brothers' party.
E10Aug 201244m
A cabin may hold the key to Maya's secrets so Hanna and Emily do some snooping.
E11Aug 201244m
Paige's past comes back to haunt Emily. Aria gets a surprise from Ezra's past.
E12Aug 201244m
As the town becomes a media circus in the run-up to the new trial, the girls are betrayed by someone close to them.
E13Oct 201244m
Unexpected Halloween party guests pop up at every turn and The Rosewood Halloween Ghost Train becomes one killer party.
E14Jan 201344m
To the girls' dismay, Mona is headed back to Rosewood High. Aria, Emily, Hanna and Spencer take very different views of the "new" Mona.
E15Jan 201344m
A battle of the brains stresses Spencer, Aria learns of reasons to suspect her father of foul play, Hanna confronts Lucas, and Emily gets a fright in the woods.
E16Jan 201344m
Ailing Aria has reason to be afraid, while Spencer’s romantic gesture results in an unpleasant surprise.
E17Jan 201344m
Distracted Spencer’s anger is let-loose on Ezra, hurting Aria. Emily and Hanna each end up at the police station.
E18Feb 201344m
Emily’s memories get muddled in therapy, Caleb’s boyhood things intrigue Hanna, Ezra’s brother brings trouble, and Spencer gets bitter.
E19Feb 201344m
Spencer’s misbehaviour causes concern, Hanna engineers an encounter Caleb is resisting, Emily’s detective work turns dangerous.
E20Feb 201344m
Det. Wilden seeks to silence those who know his secret, the heat is on for Spencer after reengaging with Wren, and Ezra’s mother tries a new angle of attack.
E21Feb 201344m
Death stalks someone close to Spencer, while Hanna has evidence to ditch, and Aria finds baby-sitting awkward.
E22Mar 201344m
Spencer’s mental state deteriorates while her friends fret. A reappearance proves miraculous and ominous.
E23Mar 201344m
Some secrets of Mona's asylum stay come to light, a corpse must be faced, and a lost child tracked down.
E24Mar 201343m
A turncoat’s betrayal is nothing compared to the deadly trap the liars are lured into hoping to see the face of their nemesis.
